| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.mapreduce.server.jobtracker; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.mapreduce.MRConfig; |
| |
| /** |
| * Place holder for JobTracker server-level configuration. |
| * |
| * The keys should have "mapreduce.jobtracker." as the prefix |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public interface JTConfig extends MRConfig { |
| // JobTracker configuration parameters |
| public static final String JT_IPC_ADDRESS = "mapreduce.jobtracker.address"; |
| public static final String JT_HTTP_ADDRESS = |
| "mapreduce.jobtracker.http.address"; |
| public static final String JT_IPC_HANDLER_COUNT = |
| "mapreduce.jobtracker.handler.count"; |
| public static final String JT_RESTART_ENABLED = |
| "mapreduce.jobtracker.restart.recover"; |
| public static final String JT_TASK_SCHEDULER = |
| "mapreduce.jobtracker.taskscheduler"; |
| public static final String JT_INSTRUMENTATION = |
| "mapreduce.jobtracker.instrumentation"; |
| public static final String JT_TASKS_PER_JOB = |
| "mapreduce.jobtracker.maxtasks.perjob"; |
| public static final String JT_HEARTBEATS_IN_SECOND = |
| "mapreduce.jobtracker.heartbeats.in.second"; |
| public static final String JT_HEARTBEATS_SCALING_FACTOR = |
| "mapreduce.jobtracker.heartbeats.scaling.factor"; |
| public static final String JT_HEARTBEAT_INTERVAL_MIN = |
| "mapreduce.jobtracker.heartbeat.interval.min"; |
| public static final int JT_HEARTBEAT_INTERVAL_MIN_DEFAULT = 300; |
| public static final String JT_PERSIST_JOBSTATUS = |
| "mapreduce.jobtracker.persist.jobstatus.active"; |
| public static final String JT_PERSIST_JOBSTATUS_HOURS = |
| "mapreduce.jobtracker.persist.jobstatus.hours"; |
| public static final String JT_PERSIST_JOBSTATUS_DIR = |
| "mapreduce.jobtracker.persist.jobstatus.dir"; |
| |
| /** |
| * @deprecated Use MR_SUPERGROUP instead |
| */ |
| @Deprecated |
| public static final String JT_SUPERGROUP = |
| "mapreduce.jobtracker.permissions.supergroup"; |
| public static final String JT_RETIREJOBS = |
| "mapreduce.jobtracker.retirejobs"; |
| public static final String JT_RETIREJOB_CACHE_SIZE = |
| "mapreduce.jobtracker.retiredjobs.cache.size"; |
| public static final String JT_TASKCACHE_LEVELS = |
| "mapreduce.jobtracker.taskcache.levels"; |
| public static final String JT_TASK_ALLOC_PAD_FRACTION = |
| "mapreduce.jobtracker.taskscheduler.taskalloc.capacitypad"; |
| public static final String JT_JOBINIT_THREADS = |
| "mapreduce.jobtracker.jobinit.threads"; |
| public static final String JT_TRACKER_EXPIRY_INTERVAL = |
| "mapreduce.jobtracker.expire.trackers.interval"; |
| public static final String JT_RUNNINGTASKS_PER_JOB = |
| "mapreduce.jobtracker.taskscheduler.maxrunningtasks.perjob"; |
| public static final String JT_HOSTS_FILENAME = |
| "mapreduce.jobtracker.hosts.filename"; |
| public static final String JT_HOSTS_EXCLUDE_FILENAME = |
| "mapreduce.jobtracker.hosts.exclude.filename"; |
| public static final String JT_JOBHISTORY_CACHE_SIZE = |
| "mapreduce.jobtracker.jobhistory.lru.cache.size"; |
| public static final String JT_JOBHISTORY_BLOCK_SIZE = |
| "mapreduce.jobtracker.jobhistory.block.size"; |
| public static final String JT_JOBHISTORY_COMPLETED_LOCATION = |
| "mapreduce.jobtracker.jobhistory.completed.location"; |
| public static final String JT_JOBHISTORY_LOCATION = |
| "mapreduce.jobtracker.jobhistory.location"; |
| // number of partial task progress reports we retain in job history |
| public static final String JT_JOBHISTORY_TASKPROGRESS_NUMBER_SPLITS = |
| "mapreduce.jobtracker.jobhistory.task.numberprogresssplits"; |
| public static final String JT_AVG_BLACKLIST_THRESHOLD = |
| "mapreduce.jobtracker.blacklist.average.threshold"; |
| public static final String JT_SYSTEM_DIR = "mapreduce.jobtracker.system.dir"; |
| public static final String JT_STAGING_AREA_ROOT = |
| "mapreduce.jobtracker.staging.root.dir"; |
| public static final String JT_MAX_TRACKER_BLACKLISTS = |
| "mapreduce.jobtracker.tasktracker.maxblacklists"; |
| public static final String JT_JOBHISTORY_MAXAGE = |
| "mapreduce.jobtracker.jobhistory.maxage"; |
| public static final String JT_MAX_MAPMEMORY_MB = |
| "mapreduce.jobtracker.maxmapmemory.mb"; |
| public static final String JT_MAX_REDUCEMEMORY_MB = |
| "mapreduce.jobtracker.maxreducememory.mb"; |
| public static final String JT_MAX_JOB_SPLIT_METAINFO_SIZE = |
| "mapreduce.jobtracker.split.metainfo.maxsize"; |
| public static final String JT_USER_NAME = "mapreduce.jobtracker.kerberos.principal"; |
| public static final String JT_KEYTAB_FILE = |
| "mapreduce.jobtracker.keytab.file"; |
| public static final String PRIVATE_ACTIONS_KEY = |
| "mapreduce.jobtracker.webinterface.trusted"; |
| public static final String JT_PLUGINS = |
| "mapreduce.jobtracker.plugins"; |
| public static final String SHUFFLE_EXCEPTION_STACK_REGEX = |
| "mapreduce.reduce.shuffle.catch.exception.stack.regex"; |
| public static final String SHUFFLE_EXCEPTION_MSG_REGEX = |
| "mapreduce.reduce.shuffle.catch.exception.message.regex"; |
| |
| } |